After World War II, Japan's Zaibatsu

After World War II, Japan's zaibatsu

A) were allowed to continue to operate, but under greater regulation.
B) were temporarily abolished, but reappeared later as an interlocking agreement known as keiretsu .
C) were permanently abolished because cartels were no longer believed to be necessary to Japan's economy.
D) were tried for war crimes and many were executed.
E) were finally given their civil rights after centuries of discrimination.